


public class Liczba{
	 int a;
     public Liczba(int a){this.a=a; }
   public  String Zmiana(  int b) {

    
   
	   
	    if(b>=2 && b<=16) {
	        String z = Integer.toString(a, b);
	        System.out.println(a +"w systemie " + b + "=" + z);
	        return z; } return "0";
	
     
     
    
   }
} 